The enzyme whose substrate is urea should be given. Concept introduction: Enzyme: It is a protein or a molecule which can act as a catalyst for a biological reaction. Does not affect the equilibrium point of the reaction. Active site of the enzyme is the region where the reaction takes place. Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme. Classification of enzymes: Oxidoreductases Transferases Hydrolases Isomerases Lyases Ligases

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Chapter 19.3, Problem 19.5P

(a)

Interpretation Introduction

Interpretation:

The enzyme whose substrate is urea should be given.

Concept introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Classification of enzymes:

Oxidoreductases

Transferases

Hydrolases

Isomerases

Lyases

Ligases

(b)

Interpretation Introduction

Interpretation:

The enzyme whose substrate is cellulose should be given.

Concept introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Classification of enzymes:

Oxidoreductases

Transferases

Hydrolases

Isomerases

Lyases

Ligases

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